#app {
    border-radius: 5px;
    box-shadow: 10px 10px 10px rgba(0, 0, 0, .3);
    width: 300px;
    height: 200px;
    border: 1px solid red;
}

h4 {
    color: yellow;
    text-align: center;
    font-size: 28px;
    font-family: 'MyFont';
    background: url("../img/bg.png") no-repeat center center;
}